Two sizes available. The liner is 115 x 210 cm / 160 x 210 cm, giving even tall people room to move and stretch their legs. It can be a travel sheet, lightweight sleeping bag, travel sleeping bag thanks to its good humanized size. The sleeping bag liner has a 100 cm opening on one side to make it easy for you to get in. It can be used alone as a sleeping bag to separate dirty items, or used as a liner in a down sleeping bag, or as a hotel sleeping bag. Keeps you comfortable all night. The sleeping bag liner is made of premium polyester with a silky texture that makes it very soft and comfortable against your skin. Unlike ordinary cotton fabric, which is easy to wrinkle. This new type of fabric does not wrinkle, pill or fade, and can be used for a long time. Only 573g, incomparably light and compact. Despite its generous size, the sleeping bag liner can be folded into a practical 21x21cm pocket when not in use. Easy to carry and save space in your backpack. {xjxj}